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read-cache: delete unused hashing methods 

These methods were marked as MAYBE_UNUSED in the previous change to
avoid a complicated diff. Delete them entirely, since we now use the
hashfile API instead of this custom hashing code.

Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Derrick Stolee 2021-05-18 18:32:48 +00:00 committed by Junio C Hamano
parent 410334ed52
commit f6e2cd0625
1 changed files with 0 additions and 64 deletions
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64
read-cache.c
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@ -2522,46 +2522,6 @@ int repo_index_has_changes(struct repository *repo,
}
}
#define WRITE_BUFFER_SIZE (128 * 1024)
static unsigned char write_buffer[WRITE_BUFFER_SIZE];
static unsigned long write_buffer_len;
MAYBE_UNUSED
static int ce_write_flush(git_hash_ctx *context, int fd)
{
unsigned int buffered = write_buffer_len;
if (buffered) {
the_hash_algo->update_fn(context, write_buffer, buffered);
if (write_in_full(fd, write_buffer, buffered) < 0)
return -1;
write_buffer_len = 0;
}
return 0;
}
MAYBE_UNUSED
static int ce_write(git_hash_ctx *context, int fd, void *data, unsigned int len)
{
while (len) {
unsigned int buffered = write_buffer_len;
unsigned int partial = WRITE_BUFFER_SIZE - buffered;
if (partial > len)
partial = len;
memcpy(write_buffer + buffered, data, partial);
buffered += partial;
if (buffered == WRITE_BUFFER_SIZE) {
write_buffer_len = buffered;
if (ce_write_flush(context, fd))
return -1;
buffered = 0;
}
write_buffer_len = buffered;
len -= partial;
data = (char *) data + partial;
}
return 0;
}
static int write_index_ext_header(struct hashfile *f,
git_hash_ctx *eoie_f,
unsigned int ext,
@ -2579,30 +2539,6 @@ static int write_index_ext_header(struct hashfile *f,
return 0;
}
MAYBE_UNUSED
static int ce_flush(git_hash_ctx *context, int fd, unsigned char *hash)
{
unsigned int left = write_buffer_len;
if (left) {
write_buffer_len = 0;
the_hash_algo->update_fn(context, write_buffer, left);
}
/* Flush first if not enough space for hash signature */
if (left + the_hash_algo->rawsz > WRITE_BUFFER_SIZE) {
if (write_in_full(fd, write_buffer, left) < 0)
return -1;
left = 0;
}
/* Append the hash signature at the end */
the_hash_algo->final_fn(write_buffer + left, context);
hashcpy(hash, write_buffer + left);
left += the_hash_algo->rawsz;
return (write_in_full(fd, write_buffer, left) < 0) ? -1 : 0;
}
static void ce_smudge_racily_clean_entry(struct index_state *istate,
struct cache_entry *ce)
{